20157484830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1\times {\mathrm{2341}}^1$

素因数の和:2802

約数の個数: 128

約数和(自身を含む): 55913020416

約数和(自身を除く): 35755535586

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 313, 393, 626, 655, 786, 917, 939, 1310, 1565, 1834, 1878, 1965, 2191, 2341, 2751, 3130, 3930, 4382, 4585, 4682, 4695, 5502, 6573, 7023, 9170, 9390, 10955, 11705, 13146, 13755, 14046, 16387, 21910, 23410, 27510, 32774, 32865, 35115, 41003, 49161, 65730, 70230, 81935, 82006, 98322, 123009, 163870, 205015, 245805, 246018, 287021, 306671, 410030, 491610, 574042, 613342, 615045, 732733, 861063, 920013, 1230090, 1435105, 1465466, 1533355, 1722126, 1840026, 2146697, 2198199, 2870210, 3066710, 3663665, 4293394, 4305315, 4396398, 4600065, 5129131, 6440091, 7327330, 8610630, 9200130, 10258262, 10733485, 10990995, 12880182, 15387393, 21466970, 21981990, 25645655, 30774786, 32200455, 51291310, 64400910, 76936965, 95988023, 153873930, 191976046, 287964069, 479940115, 575928138, 671916161, 959880230, 1343832322, 1439820345, 2015748483, 2879640690, 3359580805, 4031496966, 6719161610, 10078742415, 20157484830]

約数ペア:

[(1, 20157484830), (2, 10078742415), (3, 6719161610), (5, 4031496966), (6, 3359580805), (7, 2879640690), (10, 2015748483), (14, 1439820345), (15, 1343832322), (21, 959880230), (30, 671916161), (35, 575928138), (42, 479940115), (70, 287964069), (105, 191976046), (131, 153873930), (210, 95988023), (262, 76936965), (313, 64400910), (393, 51291310), (626, 32200455), (655, 30774786), (786, 25645655), (917, 21981990), (939, 21466970), (1310, 15387393), (1565, 12880182), (1834, 10990995), (1878, 10733485), (1965, 10258262), (2191, 9200130), (2341, 8610630), (2751, 7327330), (3130, 6440091), (3930, 5129131), (4382, 4600065), (4585, 4396398), (4682, 4305315), (4695, 4293394), (5502, 3663665), (6573, 3066710), (7023, 2870210), (9170, 2198199), (9390, 2146697), (10955, 1840026), (11705, 1722126), (13146, 1533355), (13755, 1465466), (14046, 1435105), (16387, 1230090), (21910, 920013), (23410, 861063), (27510, 732733), (32774, 615045), (32865, 613342), (35115, 574042), (41003, 491610), (49161, 410030), (65730, 306671), (70230, 287021), (81935, 246018), (82006, 245805), (98322, 205015), (123009, 163870)]